import axios from 'axios'
import {Notification, MessageBox, Message} from 'element-ui'
import store from '@/store'
import {getToken} from '@/utils/auth'
import errorCode from '@/utils/errorCode'

axios.defaults.headers['Content-Type'] = 'application/json;charset=utf-8'
// 创建axios实例
const service = axios.create({
	// axios中请求配置有baseURL选项，表示请求URL公共部分
	baseURL: process.env.VUE_APP_BASE_API,
	// 超时
	timeout: 600000
})
// request拦截器
service.interceptors.request.use(config => {
	// 是否需要设置 token
	const isToken = (config.headers || {}).isToken === false
	if (getToken() && !isToken) {
		config.headers['Authorization'] = 'Bearer ' + getToken() // 让每个请求携带自定义token 请根据实际情况自行修改
	}

	if(config.url.indexOf('/common/upload') > -1) {
		config.headers['Content-Type'] = 'multipart/form-data';
	}

	return config
}, error => {
	console.log(error)
	Promise.reject(error)
})

// 响应拦截器
service.interceptors.response.use(res => {
		// 未设置状态码则默认成功状态
		const code = res.data.code || 200;
		// 获取错误信息
		const msg = errorCode[code] || res.data.msg || errorCode['default']
		if (code === 401) {
			MessageBox.confirm('登录状态已过期，您可以继续留在该页面，或者重新登录', '系统提示', {
					confirmButtonText: '重新登录',
					cancelButtonText: '取消',
					type: 'warning'
				}
			).then(() => {
				store.dispatch('LogOut').then(() => {
					location.href = '/index';
				})
			})
		} else if (code === 500) {
			Message({
				message: msg,
				type: 'error'
			})
			console.error(msg)
			return Promise.reject(new Error(msg))
		} else if (code !== 200) {
			Notification.error({
				title: msg
			})
			console.error(msg)
			return Promise.reject('error')
		} else {
			return res.data
		}
	},
	error => {
		console.log('err' + error)
		let {message} = error;
		if (message == "Network Error") {
			message = "后端接口连接异常";
		} else if (message.includes("timeout")) {
			message = "系统接口请求超时";
		} else if (message.includes("Request failed with status code")) {
			message = "系统接口" + message.substr(message.length - 3) + "异常";
		}
		Message({
			message: message,
			type: 'error',
			duration: 5 * 1000
		})
		return Promise.reject(error)
	}
)

export default service
